19773558

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 53631072

約数和(自身を除く): 33857514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 49, 53, 54, 63, 81, 94, 98, 106, 126, 141, 147, 159, 162, 189, 282, 294, 318, 329, 371, 378, 423, 441, 477, 567, 658, 742, 846, 882, 954, 987, 1113, 1134, 1269, 1323, 1431, 1974, 2226, 2303, 2491, 2538, 2597, 2646, 2862, 2961, 3339, 3807, 3969, 4293, 4606, 4982, 5194, 5922, 6678, 6909, 7473, 7614, 7791, 7938, 8586, 8883, 10017, 13818, 14946, 15582, 17437, 17766, 20034, 20727, 22419, 23373, 26649, 30051, 34874, 41454, 44838, 46746, 52311, 53298, 60102, 62181, 67257, 70119, 104622, 122059, 124362, 134514, 140238, 156933, 186543, 201771, 210357, 244118, 313866, 366177, 373086, 403542, 420714, 470799, 732354, 941598, 1098531, 1412397, 2197062, 2824794, 3295593, 6591186, 9886779, 19773558]

約数ペア:

[(1, 19773558), (2, 9886779), (3, 6591186), (6, 3295593), (7, 2824794), (9, 2197062), (14, 1412397), (18, 1098531), (21, 941598), (27, 732354), (42, 470799), (47, 420714), (49, 403542), (53, 373086), (54, 366177), (63, 313866), (81, 244118), (94, 210357), (98, 201771), (106, 186543), (126, 156933), (141, 140238), (147, 134514), (159, 124362), (162, 122059), (189, 104622), (282, 70119), (294, 67257), (318, 62181), (329, 60102), (371, 53298), (378, 52311), (423, 46746), (441, 44838), (477, 41454), (567, 34874), (658, 30051), (742, 26649), (846, 23373), (882, 22419), (954, 20727), (987, 20034), (1113, 17766), (1134, 17437), (1269, 15582), (1323, 14946), (1431, 13818), (1974, 10017), (2226, 8883), (2303, 8586), (2491, 7938), (2538, 7791), (2597, 7614), (2646, 7473), (2862, 6909), (2961, 6678), (3339, 5922), (3807, 5194), (3969, 4982), (4293, 4606)]